CN206667039U - A kind of hold-down support with bidirectional damping function - Google Patents
A kind of hold-down support with bidirectional damping function Download PDFInfo
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- CN206667039U CN206667039U CN201720312652.8U CN201720312652U CN206667039U CN 206667039 U CN206667039 U CN 206667039U CN 201720312652 U CN201720312652 U CN 201720312652U CN 206667039 U CN206667039 U CN 206667039U
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- hold
- down support
- damper
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- bedplate
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Abstract
The utility model discloses a kind of hold-down support with bidirectional damping function, and being provided with flat first in base plate top surface slides flange, and flange is slided in footstock plate bottom surface second；Footstock plate bottom is provided with upper limit assembly；Upper limit assembly is connected with footstock plate bottom prestressing force；The top of bedplate is provided with a lower class limit hyte part, and lower limit is connected to the side wall of lower seat board；Lower limit component is connected with prestressing force at the top of bedplate.Damper is combined on hold-down support, in the case of making normal operation and earthquake intensity little, to not cut, damper does not play a role hold-down support level substantially, plays a part of common hold-down support；When earthquake intensity is larger, hold-down support horizontal shear pin is cut, and becomes movable bearing support, at the same activate vertical bridge to or direction across bridge damper dissipation seismic energy.Due to cancelling extra installation damper, make compact-sized, the problem of installing space can be avoided to be limited, increase the shock resistance of bridge, maintain easily.
Description
Technical field
The utility model belongs to Bridge Seismic technical field, the bridge pad being related in civil engineering, more particularly to one
Hold-down support of the kind with bidirectional damping function.
Background technology
Bearing is the critical component that bridge upper load is delivered to substructure.According to shock insulation principle, hold-down support exists
Indulged under geological process bridge to or the horizontal shear pin of direction across bridge can be cut, turn into unidirectional or multidirectional movable bearing support, form shock insulation
System.Although shock insulation extends the natural vibration period of structure and reduces the interior force-responsive of Structures under Earthquake, but shock insulation increases
The dynamic respond of bridge superstructure is added.The over-large displacement of geological process underbeam designs permissible value, one side shadow once exceeding
The safety of neighbouring bridge is rung, on the other hand has the danger of beam.
At present, generally vertical bridge to or direction across bridge damper is additionally set and seismic energy and prevents excessive position to dissipate
Move, this is not only cumbersome for installation, it is complicated to safeguard, influences bridge appearance, and installing space is limited sometimes, and the extra vertical bridge of installation is to subtracting
Shake damper and direction across bridge shock absorber is extremely difficult, construction is complicated.
Utility model content
The problem of existing for background technology, the purpose of this utility model are that providing one kind avoids installing limited, structure
Hold-down support with bidirectional damping function compact, easy to maintenance.
To reach above-mentioned purpose, the hold-down support with bidirectional damping function of the utility model design, including bedplate,
Footstock plate, the spherical crown between bedplate and footstock plate, it is characterised in that under also including between spherical crown and bedplate
Seat board and the upper base plate between spherical crown and footstock plate；The bedplate middle top surface be provided with parallel longitudinal bridge to first slide
Flange, bottom surface is provided with the second of parallel direction across bridge and slides flange in the middle part of the footstock plate, in the middle part of the lower seat board bottom surface be provided with
Described first, which slides flange, coordinates the first chute, the upper base plate middle top surface be provided with described second slide flange and coordinate the
Two chutes；The footstock plate bottom is provided with a class upper limit hyte part, and the upper limit assembly is located at the opposite sides of upper base plate simultaneously
The side wall of the upper base plate is connected to, and the parallel direction across bridge of line for the upper limit assembly being oppositely arranged；The upper limit assembly
It is connected with footstock plate bottom prestressing force；The top of the bedplate is provided with a lower class limit hyte part, the lower limit component
Positioned at the opposite sides of lower seat board, and the side wall of the lower seat board is connected to, and the line for the lower limit component being oppositely arranged is put down
The vertical bridge of row to；The lower limit component is connected with prestressing force at the top of the bedplate.
Preferably, in addition to one group of first damper of lower seat board opposite sides is located at, described first subtracts
Shake the damper direction of motion parallel described first and slide flange.
Preferably, first damper is viscous damper.
Preferably, first damper includes piston rod, trunk-piston cylinder body and fixing device, the tubular
Piston oil-cylinder physical efficiency is slided along the piston rod；The both ends of piston rod are fixed on the top surface of bedplate, institute by the fixing device
State lower seat board side wall and be provided with the wing plate for engaging the trunk-piston cylinder body.
As another preferred scheme, in addition to one group of second damper of footstock plate opposite sides is located at, described
The two damper directions of motion parallel described second slide flange.
Preferably, second damper is mild steel damper.
Preferably, the second damper both ends and footstock plate pin joint, middle part and upper base plate pin joint.
Preferably, the upper base plate homonymy be provided with the upper limit assembly of two upper limit assemblies and homonymy on
Second slip flange is arranged symmetrically.
It is further preferred that upper power transmission component is provided between the upper limit assembly and the upper base plate；The upper power transmission
Component side is connected with the side wall of the upper base plate, and opposite side abuts with the upper limit assembly.
Preferably, the lower seat board homonymy be provided with the lower limit component of two lower limit components and homonymy on
First slip flange is arranged symmetrically.
It is further preferred that lower power transmission component is provided between the lower limit component and the lower seat board；The lower power transmission
Component side is connected with the side wall of the lower seat board, and opposite side abuts with the lower limit component.
The beneficial effects of the utility model are：Damped for traditional bearing, vertical bridge to damper, direction across bridge damping
The shortcomings that device is separately installed, vertical bridge is combined on hold-down support to damper and direction across bridge damper, made normal
In the case that operation and earthquake intensity are little, to not cut, damper does not play a role hold-down support level substantially, plays general
The effect of logical hold-down support；When earthquake intensity is larger, hold-down support horizontal shear pin is cut, and hold-down support is become activity
Bearing, at the same activate vertical bridge to or direction across bridge damper dissipation seismic energy.Due to cancelling extra installation damper, make knot
Structure is compact, the problem of installing space can be avoided to be limited, and increases the shock resistance of bridge, maintains easily.
Brief description of the drawings
Fig. 1 is the direction across bridge elevation of the present invention；
Fig. 2 is the vertical bridge of the present invention to elevation；
Fig. 3 is the A-A top views in Fig. 1；
Fig. 4 is the B-B top views in Fig. 1.
In figure：Bedplate 1 (first slides flange 1.1), footstock plate 2 (second slides flange 2.1), spherical crown 3, lower seat board 4
(wing plate 4.1), upper base plate 5, the first damper 6 (piston rod 6.1, the fixing device 6.3 of trunk-piston cylinder body 6.2),
Two dampers 7 (side limb 7.1, middle limb 7.2), upper limit assembly 8, upper power transmission component 9, lower limit component 10, lower power transmission
Component 11.
Embodiment
Below by Fig. 1~Fig. 4 and the modes of some alternative embodiments of the present utility model is enumerated, to the utility model
Technical scheme (including optimal technical scheme) be described in further detail, any technical characteristic in the present embodiment and appoint
What technical scheme does not limit the scope of protection of the utility model.
As depicted in figs. 1 and 2, the hold-down support with bidirectional damping function of the utility model design, including bedplate
1st, footstock plate 2, the spherical crown 3 between bedplate 1 and footstock plate 2；Also include the lower seat between spherical crown 3 and bedplate 1
Plate 4 and the upper base plate 5 between spherical crown 3 and footstock plate 2；The middle top surface of bedplate 1 be provided with parallel longitudinal bridge to first
Slide flange 1.1, what the middle part bottom surface of footstock plate 2 was provided with parallel direction across bridge second slides flange 2.1, in the lower seat board 4
Portion bottom surface be provided with described first slide flange 1.1 coordinate the first chute, the middle top surface of upper base plate 5 be provided with and described second
Slide the second chute that flange 2.2 coordinates.
Shown in such as Fig. 1 and with Fig. 3, the bottom of footstock plate 2 is provided with a class upper limit hyte part 8, the upper limit assembly 8
In upper base plate 5 opposite sides and be connected to the side wall of the upper base plate 5, and the line for the upper limit assembly 8 being oppositely arranged is put down
Row direction across bridge；The upper limit assembly 8 is connected with the bottom prestressing force of footstock plate 2；Two are provided with the homonymy of the upper base plate 5
The upper limit assembly 8 of the individual upper limit assembly 8 and homonymy is arranged symmetrically on the second slip flange 2.1；Preferably, on described
Upper power transmission component 9 is provided between limit assembly 8 and the upper base plate 5；The upper side of power transmission component 9 and the upper base plate 5
Side wall connects, and opposite side abuts with the upper limit assembly 8.
As shown in Figures 2 and 3, the top of the bedplate 1 is provided with a lower class limit hyte part 10, the lower limit component 10
Positioned at the opposite sides of lower seat board 4, and the side wall of the lower seat board 4 is connected to, and the company for the lower limit component 10 being oppositely arranged
Line parallel longitudinal bridge to；The lower limit component 10 is connected with the top prestressing force of bedplate 4；In the homonymy of the lower seat board 4
Lower limit component 10 provided with two lower limit components 10 and homonymy is arranged symmetrically on the first slip flange 1.1；It is preferred that
, lower power transmission component 11 is provided between the lower limit component 10 and the lower seat board 4；The lower side of power transmission component 11 and institute
The side wall connection of lower seat board 4 is stated, opposite side abuts with the lower limit component 10.
As shown in figure 3, it is provided with one group of first damper 6, first damper in the lower opposite sides of seat board 4
6 directions of motion parallel described first slide flange 1.1.Typically, first damper 6 selects viscous damper.
Again as shown in figure 3, first damper 6 includes piston rod 6.1, trunk-piston cylinder body 6.2 and fixed
Device 6.3, the trunk-piston cylinder body 6.2 can slide along the piston rod 6.1；The fixing device 6.3 is by piston rod 6.1
Both ends be fixed on the top surface of bedplate 1, the lower side wall of seat board 4 is provided with the wing plate for engaging the trunk-piston cylinder body 6.2
4.1。
As shown in figure 4, it is provided with one group of second damper 7, second damper in the opposite sides of footstock plate 2
7 directions of motion parallel described second slide flange 2.2.Typically, second damper 7 selects mild steel damper.
Again as shown in figure 4, the both ends of the second damper 7 and the pin joint of footstock plate 2, middle part and the pin joint of upper base plate 5.This
In example, the profile of the second damper 7 likeness in form capital E, it includes two side limbs 7.1 and a centre limb 7.2, two
The end of side limb 7.1 and the pin joint of footstock plate 2, the middle end of limb 7.2 and the pin joint of upper base plate 5.
The top surface of bedplate 1 and the lower bottom surface of seat board 4 formed under the limitation of the first chute along vertical bridge to sliding pair.Transporting
When battalion and earthquake intensity are little, due to the limitation of lower limit component 10, slide, play without relative between bedplate 1 and lower seat board 4
Longitudinally fixed effect；When earthquake intensity is larger, seismic force is once beyond the design shear strength of lower limit component 10, lower limit
Component 10 is come off by cutting, and relative slide forms longitudinally-moving between bedplate and lower seat board 4, plays a part of vertical bridge to shock insulation.
The top surface of lower seat board 4 forms planar slide pair with the bottom surface of spherical crown 3, and the top surface of spherical crown 3 forms ball with the bottom surface of upper base plate 5
Face sliding pair, the translation and rotation constructed above realized between lower seat board 4 and upper base plate 5.
The top surface of upper base plate 5 sliding pair of formation along direction across bridge under the limitation of the second chute with the bottom surface of footstock plate 2.Transporting
When battalion and earthquake intensity are little, due to the limitation of upper limit assembly 9, slided between footstock plate 2 and upper base plate 5 without relative；On ground
When shake earthquake intensity is larger, seismic force is once come off beyond the design shear strength of upper limit assembly 9, upper limit assembly 9 by cutting, pushes up
Relative slip is formed laterally movable between seat board 2 and upper base plate 5, plays a part of direction across bridge shock insulation.
When bedplate 1 and lower seat board 4 indulge bridge to relative slide under geological process, under the drive of wing plate 4.1, tubular
Piston oil cylinder body 6.2 produces speed of related movement with piston rod 6.1, so as to the seismic energy that dissipates, plays antihunt action；Work as the seat of honour
Direction across bridge is relative under geological process for plate 5 and footstock plate 2 when sliding, and repeated deformation, surrender occur for the second damper 7, from
And dissipation seismic energy, play antihunt action.
Designed more than, realize the function that bearing has bidirectional damping concurrently, reached the vertical bridge of the extra installation of cancellation to subtracting
The purpose of damper and direction across bridge damper is shaken, avoids the problem of installing space is limited, and compact-sized, maintenance side
Just.
It should be readily apparent to one skilled in the art that preferred embodiment of the present utility model is these are only, not with limitation
The utility model, all any modifications made under the spirit and principles of the utility model, combination, replacement, improvement etc. includes
Within the scope of protection of the utility model.
Claims (10)
1. a kind of hold-down support with bidirectional damping function, including bedplate (1), footstock plate (2), positioned at bedplate (1) and
Spherical crown (3) between footstock plate (2), it is characterised in that：Also include the lower seat board (4) between spherical crown (3) and bedplate (1)
And the upper base plate (5) between spherical crown (3) and footstock plate (2)；Bedplate (1) middle top surface be provided with parallel longitudinal bridge to
First slides flange (1.1), and footstock plate (2) middle part bottom surface is provided with the second of parallel direction across bridge and slides flange (2.1), described
Bottom surface is provided with the middle part of lower seat board (4) slides flange (1.1) the first chute of cooperation with described first, is pushed up in the middle part of the upper base plate (5)
Face is provided with the second chute for sliding flange (2.1) with described second and coordinating；Footstock plate (2) bottom is provided with a class upper limit hyte
Part (8), the upper limit assembly (8) are located at the opposite sides of upper base plate (5) and are connected to the side wall of the upper base plate (5), and
The parallel direction across bridge of line for the upper limit assembly (8) being oppositely arranged；The upper limit assembly (8) and the footstock plate (2) bottom
Prestressing force connects；The top of the bedplate (1) is provided with a lower class limit hyte part (10), under the lower limit component (10) is located at
The opposite sides of seat board (4), and the side wall of the lower seat board (4) is connected to, and the company for the lower limit component (10) being oppositely arranged
Line parallel longitudinal bridge to；The lower limit component (10) is connected with prestressing force at the top of the bedplate (1).
2. the hold-down support according to claim 1 with bidirectional damping function, it is characterised in that：Also include being located at lower seat
One group of first damper (6) of plate (4) opposite sides, the first damper (6) direction of motion parallel described
One slides flange (1.1).
3. the hold-down support according to claim 2 with bidirectional damping function, it is characterised in that：The first damping resistance
Buddhist nun's device (6) includes piston rod (6.1), trunk-piston cylinder body (6.2) and fixing device (6.3), the trunk-piston cylinder body
(6.2) can be slided along the piston rod (6.1)；The both ends of piston rod (6.1) are fixed on bedplate by the fixing device (6.3)
(1) top surface, lower seat board (4) side wall are provided with the wing plate (4.1) for engaging the trunk-piston cylinder body (6.2).
4. the hold-down support according to claim 1 or 2 with bidirectional damping function, it is characterised in that：Also include being located at
One group of second damper (7) of footstock plate (2) opposite sides, the parallel institute of the second damper (7) direction of motion
State the second slip flange (2.1).
5. the hold-down support according to claim 4 with bidirectional damping function, it is characterised in that：The second damping resistance
Buddhist nun's device (7) is mild steel damper.
6. the hold-down support according to claim 4 with bidirectional damping function, it is characterised in that：The second damping resistance
Buddhist nun's device (7) both ends and footstock plate (2) pin joint, middle part and upper base plate (5) pin joint.
7. the hold-down support according to claim 1 with bidirectional damping function, it is characterised in that：In the upper base plate
(5) homonymy is provided with two upper limit assemblies (8) and the upper limit assembly (8) of homonymy slides flange (2.1) on second
It is arranged symmetrically.
8. the hold-down support according to claim 7 with bidirectional damping function, it is characterised in that：The upper limit assembly
(8) upper power transmission component (9) is provided between the upper base plate (5)；Upper power transmission component (9) side and the upper base plate (5)
Side wall connection, opposite side abuts with the upper limit assembly (8).
9. the hold-down support according to claim 1 with bidirectional damping function, it is characterised in that：In the lower seat board
(4) homonymy is provided with two lower limit components (10) and the lower limit component (10) of homonymy slides flange on first
(1.1) it is arranged symmetrically.
10. the hold-down support according to claim 9 with bidirectional damping function, it is characterised in that：The lower limit hyte
Lower power transmission component (11) is provided between part (10) and the lower seat board (4)；Lower power transmission component (11) side and the lower seat
The side wall connection of plate (4), opposite side abut with the lower limit component (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312652.8U CN206667039U (en) | 2017-03-28 | 2017-03-28 | A kind of hold-down support with bidirectional damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312652.8U CN206667039U (en) | 2017-03-28 | 2017-03-28 | A kind of hold-down support with bidirectional damping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667039U true CN206667039U (en) | 2017-11-24 |
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ID=60373427
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720312652.8U Active CN206667039U (en) | 2017-03-28 | 2017-03-28 | A kind of hold-down support with bidirectional damping function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904828A (en) * | 2019-11-14 | 2020-03-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN113818338A (en) * | 2021-10-22 | 2021-12-21 | 中南大学 | Bridge, horizontal bidirectional vibration damping/vibrating support thereof and vibration damping/vibrating method |
-
2017
- 2017-03-28 CN CN201720312652.8U patent/CN206667039U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904828A (en) * | 2019-11-14 | 2020-03-24 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN110904828B (en) * | 2019-11-14 | 2021-08-20 | 株洲时代新材料科技股份有限公司 | Anti-pulling damping vibration reduction and isolation support |
| CN113818338A (en) * | 2021-10-22 | 2021-12-21 | 中南大学 | Bridge, horizontal bidirectional vibration damping/vibrating support thereof and vibration damping/vibrating method |
| CN113818338B (en) * | 2021-10-22 | 2022-06-21 | 中南大学 | Bridge, horizontal bidirectional vibration damping/vibrating support thereof and vibration damping/vibrating method |
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